19379685

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 36288000

約数和(自身を除く): 16908315

約数列:

[1, 3, 5, 13, 15, 23, 29, 39, 65, 69, 87, 115, 145, 149, 195, 299, 345, 377, 435, 447, 667, 745, 897, 1131, 1495, 1885, 1937, 2001, 2235, 3335, 3427, 4321, 4485, 5655, 5811, 8671, 9685, 10005, 10281, 12963, 17135, 21605, 26013, 29055, 43355, 44551, 51405, 56173, 64815, 99383, 130065, 133653, 168519, 222755, 280865, 298149, 496915, 668265, 842595, 1291979, 1490745, 3875937, 6459895, 19379685]

約数ペア:

[(1, 19379685), (3, 6459895), (5, 3875937), (13, 1490745), (15, 1291979), (23, 842595), (29, 668265), (39, 496915), (65, 298149), (69, 280865), (87, 222755), (115, 168519), (145, 133653), (149, 130065), (195, 99383), (299, 64815), (345, 56173), (377, 51405), (435, 44551), (447, 43355), (667, 29055), (745, 26013), (897, 21605), (1131, 17135), (1495, 12963), (1885, 10281), (1937, 10005), (2001, 9685), (2235, 8671), (3335, 5811), (3427, 5655), (4321, 4485)]